How long does it take to install? December 12, 2024 16:50 Updated The typical installation time is less than 30 minutes, requiring two people. Related articles What are the window dimensions required for installation? How do I install my All-Weather 120V heat pump? How do I uninstall the unit if needed? How do you insulate with the All-Weather 120V heat pump in the window? What about the top of the window that is moveable/slideable? How do I control my All-Weather unit remotely?